Actually, Banksy meant to shred the whole painting. Now it's likely worth much more.

In a ‘Director’s half cut’ uploaded on YouTube, Banksy revealed the secret shredding mechanism he had installed inside the frame of a copy of  “Girl With Balloon.”

It was supposed to shred the whole canvas, but seems to have gotten stuck. So what happened at the auction was the coincidental creation of a new work of art. Read more…

More about Art, Trolling, Auction, Banksy, and Culture

Source: Mashable | Actually, Banksy meant to shred the whole painting. Now it's likely worth much more.